Seal for containers



FIG. 1 is a top perspective view of a seal for containers, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side elevational view thereof, the side being identical;

FIG. 4 is an end elevational view thereof, the other end being identical;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a sectional view taken in the direction of the arrows on line 7--7 of FIG. 6. 

The ornamental design for a seal for containers, as shown and described. 